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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is a cool winter month in Harleyville, South Carolina, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 55.2°F (12.9°C). Harleyville's January weather reaches an average high of 55.2°F (12.9°C) and an average low of 38.8°F (3.8°C), making it the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Harleyville, is a refreshing month, with an average temperature ranging between max 60.1°F (15.6°C) and min 42.3°F (5.7°C). The advent of February reveals an average high-temperature of a mild 60.1°F (15.6°C), showing minimal difference from the prior month. Weather in February »
Weather in March
March, the first month of the spring in Harleyville, is an enjoyable month, with an average temperature fluctuating between 66.4°F (19.1°C) and 47.8°F (8.8°C). The shift into March is characterized by a subtle rise in the average high-temperature, transitioning from February's refreshing 60.1°F (15.6°C) to a comfortable 66.4°F (19.1°C). Weather in March »
Weather in April
April in Harleyville, South Carolina, is a warm spring month, with an average temperature varying between 75.2°F (24°C) and 55.2°F (12.9°C). Harleyville observes a slight uplift in the average high-temperature with the onset of April, adjusting from March's refreshing 66.4°F (19.1°C) to a warm 75.2°F (24°C). Weather in April »
Weather in May
The last month of the spring, May, is another warm month in Harleyville, South Carolina, with an average temperature fluctuating between 81.9°F (27.7°C) and 63.3°F (17.4°C). A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a warm 75.2°F (24°C) in April to a still moderately hot 81.9°F (27.7°C). Weather in May »
Weather in June
June, the first month of the summer in Harleyville, is a tropical month, with an average temperature ranging between min 70.3°F (21.3°C) and max 88.5°F (31.4°C). Harleyville's transition into June is noticed by a slight rise in the average high-temperature, advancing from a moderately hot 81.9°F (27.7°C) in May to a hot 88.5°F (31.4°C). Weather in June »
Weather in July
July, the same as June, in Harleyville, South Carolina, is a hot summer month, with an average temperature ranging between max 91.2°F (32.9°C) and min 73.2°F (22.9°C). July registers as the month with the highest average temperatures, reaching 91.2°F (32.9°C) at its peak and 73.2°F (22.9°C) at the lowest. The heat index in July is calculated to be a blazing hot 113°F (45°C). Weather in July »
Weather in August
The last month of the summer, August, is another hot month in Harleyville, South Carolina, with an average temperature varying between 90.1°F (32.3°C) and 72.5°F (22.5°C). The arrival of August sees an average high-temperature of a still hot 90.1°F (32.3°C), hardly diverging from July's 91.2°F (32.9°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Harleyville, South Carolina, with temperature in the range of an average high of 85.1°F (29.5°C) and an average low of 67.6°F (19.8°C). The introduction of September notes a subtle temperature variation to a warm 85.1°F (29.5°C) from August's 90.1°F (32.3°C). Weather in September »
Weather in October
October, like September, in Harleyville, South Carolina, is a moderately hot autumn month, with an average temperature ranging between min 57.6°F (14.2°C) and max 75.9°F (24.4°C). The transition into October involves a decrease in the average high-temperature, falling from 85.1°F (29.5°C) in September to a still warm 75.9°F (24.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Harleyville, is also an enjoyable month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 65.1°F (18.4°C). The decrease of average high-temperatures is mild in November, with a decline from a moderately hot 75.9°F (24.4°C) in October to a refreshing 65.1°F (18.4°C). Weather in November »
Weather in December
The first month of the winter, December, is still a mild month in Harleyville, South Carolina, with an average temperature varying between 59°F (15°C) and 43.2°F (6.2°C). Transitioning from November to December involves a subtle drop in average high-temperatures, descending from an enjoyable 65.1°F (18.4°C) to a still refreshing 59°F (15°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Harleyville?
January, with an average high of 55.2°F (12.9°C) and a low of 38.8°F (3.8°C), signifies the coldest month of the year in Harleyville, South Carolina.
What is the least humid month in Harleyville?
With an average relative humidity of 72%, January is the least humid month in Harleyville.
How many days does it rain in Harleyville?
In Harleyville, South Carolina, during the entire year, the rain falls for 151.2 days and collects up to 23.46" (596mm) of precipitation.
When does it snow in Harleyville?
January and February are months with snowfall in Harleyville, South Carolina.
What is the snowiest month in Harleyville?
The months with the most snowfall in Harleyville are January and February, with an average 0.16" (4mm) of accumulated snow.
How much does it snow in Harleyville?
Throughout the year, there are 1 snowfall days, and 0.31" (8mm) of snow is accumulated.
When is the lowest UV index in Harleyville?
January and December, with an average maximum UV index of 3, are months with the lowest UV index.
When it does not snow in Harleyville?
March through December are months without snowfall.
When is Daylight Saving Time (DST) in Harleyville?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the most humid month in Harleyville?
May, August, September and December, with an average relative humidity of 77%, are most humid months.
When are the longest days in Harleyville?
The month with the longest days in Harleyville, South Carolina, is June, with an average of 14h and 18min of daylight.
What are the months with the highest UV index in Harleyville?
The months with the highest UV index in Harleyville are June through August, with an average maximum UV index of 7.
What are the warmest months in Harleyville?
Harleyville's warmest temperatures are experienced in July, with average high temperatures of 91.2°F (32.9°C) and lows of 73.2°F (22.9°C).
What month has the most sunshine in Harleyville?
July has the most sunshine of the year in Harleyville, with an average of 10.8h of sunshine.
What is the rainiest month in Harleyville?
The month with the most rainfall in Harleyville is August, when the rain falls for 19.5 days and typically aggregates up to 3.15" (80mm) of precipitation.
What is the driest month in Harleyville?
November is the month with the least rainfall in Harleyville, South Carolina. Rain falls for 6.8 days and accumulates 0.91" (23mm) of precipitation.
What is the month with the shortest days in Harleyville?
December has the shortest days of the year, with an average of 10h and 0min of daylight.
What is the month with the least sunshine in Harleyville?
December has the least sunshine of the year, with an average of 5.5h of sunshine.
Average temperature
Harleyville, SC
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55.2°F).
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure
Harleyville, SC
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Harleyville, SC
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.8mph - Average wind speed in March:
7mph - Average wind speed in April:
7.1mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.7mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Harleyville, SC
The months with the highest relative humidity are May, August, September and December (77%).
The month with the lowest relative humidity is January (72%).
Average rainfall
Harleyville, SC
- Average rainfall in January:
1.1" - Average rainfall in February:
1.5" - Average rainfall in March:
1.65" - Average rainfall in April:
1.89" - Average rainfall in May:
1.97" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.48" - Average rainfall in August:
3.15" - Average rainfall in September:
2.05" - Average rainfall in October:
1.97" - Average rainfall in November:
0.91" - Average rainfall in December:
2.2"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days
Harleyville, SC
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
19.2 days - Average rainfall days in August:
19.5 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
9 days - Average rainfall days in November:
6.8 days - Average rainfall days in December:
9.7 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is November (6.8 days).
Average snowfall
Harleyville, SC
The months with the highest snowfall are January and February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Harleyville, SC
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.2 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Harleyville, SC
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 3min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
7h and 4min - Average sunshine in April:
9h and 3min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Harleyville, SC
- Average sunshine days in January:
20 days - Average sunshine days in February:
17.4 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
16.7 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
9.4 days - Average sunshine days in August:
8.7 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
20.4 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
19.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (8.7 days).
Average UV index
Harleyville, SC
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Harleyville, SC
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Harleyville, SC
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Harleyville, South Carolina, USA
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